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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">medgen-191</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Молекулярная патология хромосомного района 10q23.3-26.3 при глиобластоме</article-title><trans-title-group xml:lang="en"><trans-title>Molecular pathology of the 10q23.3-26.3 chromosome region in glioblastoma</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алексеева</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Alekseeva</surname><given-names>E. A.</given-names></name></name-alternatives><email xlink:type="simple">ekater.alekseeva@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Танас</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Thanas</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прозоренко</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Prozorenko</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зайцев</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaytsev</surname><given-names>A. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куржупов</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurzhupov</surname><given-names>M. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кирсанова</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirsanova</surname><given-names>O. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Руденко</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rudenko</surname><given-names>V. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Залетаев</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaletaev</surname><given-names>D. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стрельников</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Strelnikov</surname><given-names>V. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Медико-генетический научный центр»; Первый Московский государственный медицинский университет им. И.М. Сеченова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Медико-генетический научный центр»; «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics; Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Первый Московский государственный медицинский университет им. И.М. Сеченова; Российский онкологический научный центр им. Н.Н. Блохина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov First Moscow State Medical University; N.N. Blockin Russian Research Center for Oncology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Московский научно-исследовательский онкологический институт им. П.А. Герце</institution><country>Россия</country></aff><aff xml:lang="en"><institution>P.A. Hertsen Research Centre for Oncolology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Медико-генетический научный центр»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Медико-генетический научный центр»; Первый Московский государственный медицинский университет им. И.М. Сеченова; «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics; Pirogov Russian National Research Medical University; I.M. Sechenov First Moscow State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>26</day><month>01</month><year>2017</year></pub-date><volume>15</volume><issue>12</issue><fpage>14</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алексеева Е.А., Танас А.С., Прозоренко Е.В., Зайцев А.М., Куржупов М.И., Кирсанова О.Н., Руденко В.В., Залетаев Д.В., Стрельников В.В., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Алексеева Е.А., Танас А.С., Прозоренко Е.В., Зайцев А.М., Куржупов М.И., Кирсанова О.Н., Руденко В.В., Залетаев Д.В., Стрельников В.В.</copyright-holder><copyright-holder xml:lang="en">Alekseeva E.A., Thanas A.S., Prozorenko E.V., Zaytsev A.M., Kurzhupov M.I., Kirsanova O.N., Rudenko V.V., Zaletaev D.V., Strelnikov V.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.medgen-journal.ru/jour/article/view/191">https://www.medgen-journal.ru/jour/article/view/191</self-uri><abstract><p>Потеря гетерозиготности маркеров длинного плеча 10-й хромосомы (10q) - наиболее частое генетическое изменение при глиобластоме, выявляемое с частотой до 80% случаев. Методом микросателлитного анализа определена частота потери гетерозиготности в районе 10q23.3-26.3, содержащем гены-кандидаты PTEN, FGFR2, MKI67 и MGMT , в выборке 124 образцов глиобластомы. Частота потери гетерозиготности составила 62,1%. Для установления количественного изменения числа копий региона 10q23.3-26.3 в образцах с выявленной потерей гетерозиготности применяли количественный микросателлитный анализ в реальном времени. Методом количественного микросателлитного анализа было исследовано 64 образца глиобластомы с выявленной потерей гетерозиготности в районе 10q23.3-26.3. Определено, что в 37,5% случаев потеря гетерозиготности этого района при глиобластоме является отражением делеции, а в 25% случаев - отражением однородительской дисомии. В 37,5% опухолей участки делеции и однородительской дисомии чередуются на протяжении исследованного локуса, причём в его проксимальной части (гены PTEN, FGFR2 ) выше частота делеций, а в дистальной (ген MGMT ) - делеция и однородительская дисомия равновероятны.</p></abstract><trans-abstract xml:lang="en"><p>Loss of heterozygosity on chromosome 10q is the most frequent genetic alteration in glioblastoma and occurs in up to 80% of cases. Using microsatellite analysis we have determined the frequency of loss of heterozygosity in the 10q23.3-26.3 chromosome region, containing candidate genes PTEN , FGFR2, MKI67 and MGMT , in 124 samples of glioblastoma. Frequency of loss of heterozygosity at the region under investigation equals 62.1%. We have used quantitative microsatellite analysis to establish a quantitative change of copy number of the 10q23.3-26.3 in 64 samples of glioblastoma with identified loss of heterozygosity in 10q23.3-26.3 area. In 37,5% of the samples only one copy of 10q23.3-26.3 chromosome region was found (deletion), in 25,0% two copies were detected (acquired uniparental disomy,). In 37,5% (24/64) of the samples areas of alternation of deletion and acquired uniparental disomy throughout the tested region were identified. Higher frequencies of deletions were characteristic for the proximal part of 10q23.3-26.3 region (PTEN and FGFR2 genes), while acquired uniparental disomy and deletion were equally in the distal part (MGMT gene).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>глиобластома</kwd><kwd>потеря гетерозиготности</kwd><kwd>делеция</kwd><kwd>однородительская дисомия</kwd><kwd>glioblastoma</kwd><kwd>loss of heterozygosity</kwd><kwd>deletion</kwd><kwd>acquired uniparental disomy</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Dunn GP, Rinne ML, Wykosky J et al. 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